//
//  UIUnderlinedButton.m
//  PlayBall
//
//  Created by Jdd‘s macbook on 13-12-24.
//
//

#import "JddUIUnderlinedButton.h"
@implementation JddUIUnderlinedButton

+ (JddUIUnderlinedButton*) underlinedButton {
    
    JddUIUnderlinedButton* button = [[JddUIUnderlinedButton alloc] init];
    return button;
}
- (void) drawRect:(CGRect)rect {
    CGRect textRect = self.titleLabel.frame;
    // need to put the line at top of descenders (negative value)
    CGFloat descender = self.titleLabel.font.descender;
    CGContextRef contextRef = UIGraphicsGetCurrentContext();
    // set to same colour as text
    CGContextSetStrokeColorWithColor(contextRef, self.titleLabel.textColor.CGColor);
    CGContextMoveToPoint(contextRef, textRect.origin.x, textRect.origin.y + textRect.size.height + descender);
    CGContextAddLineToPoint(contextRef, textRect.origin.x + textRect.size.width, textRect.origin.y + textRect.size.height + descender);
    CGContextClosePath(contextRef);
    CGContextDrawPath(contextRef, kCGPathStroke);
}
@end
